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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [llvmpipe] SIGSEGV src/gallium/drivers/llvmpipe/lp_rast_priv.h:218"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79421">79421</a>
</td>
</tr>
<tr>
<th>Keywords</th>
<td>have-backtrace
</td>
</tr>
<tr>
<th>Assignee</th>
<td>mesa-dev@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[llvmpipe] SIGSEGV src/gallium/drivers/llvmpipe/lp_rast_priv.h:218
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>vlee@freedesktop.org
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Component</th>
<td>Other
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr></table>
<p>
<div>
<pre>mesa: c0bd206a148b8fcda253359efe8c95871f89bd05 (master 10.3.0-devel)
Run piglit test fbo-drawbuffers-none glBlendFunci on llvmpipe.
$ ./bin/fbo-drawbuffers-none glBlendFunci -auto
Testing glBlendFunci.
Segmentation fault (core dumped)
(gdb) bt
#0 0x00007f49681c56a7 in lp_rast_get_unswizzled_color_block_pointer
(task=0x1e27838, buf=0, x=0, y=0, layer=0)
at src/gallium/drivers/llvmpipe/lp_rast_priv.h:218
#1 0x00007f49681c6328 in lp_rast_shade_tile (task=0x1e27838, arg=...) at
src/gallium/drivers/llvmpipe/lp_rast.c:316
#2 0x00007f49681c6d5b in do_rasterize_bin (task=0x1e27838, bin=0x7f496b95b1e8,
x=0, y=0)
at src/gallium/drivers/llvmpipe/lp_rast.c:589
#3 0x00007f49681c6dc8 in rasterize_bin (task=0x1e27838, bin=0x7f496b95b1e8,
x=0, y=0)
at src/gallium/drivers/llvmpipe/lp_rast.c:608
#4 0x00007f49681c6ed8 in rasterize_scene (task=0x1e27838,
scene=0x7f496b95b010)
at src/gallium/drivers/llvmpipe/lp_rast.c:657
#5 0x00007f49681c71a4 in thread_function (init_data=0x1e27838) at
src/gallium/drivers/llvmpipe/lp_rast.c:778
#6 0x00007f49681c4ce9 in impl_thrd_routine (p=0x1e18c40) at
include/c11/threads_posix.h:87
#7 0x00007f496716c182 in start_thread (arg=0x7f4966b0f700) at
pthread_create.c:312
#8 0x00007f496afb330d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb) frame 0
#0 0x00007f49681c56a7 in lp_rast_get_unswizzled_color_block_pointer
(task=0x1e27838, buf=0, x=0, y=0, layer=0)
at src/gallium/drivers/llvmpipe/lp_rast_priv.h:218
218 format_bytes =
util_format_get_blocksize(task->scene->fb.cbufs[buf]->format);
(gdb) print task->scene->fb.cbufs[buf]
$1 = (struct pipe_surface *) 0x0</pre>
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